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一个用java.util.zip创建和读取zip文件的类，可以操作目录

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核心提示：写了一个用java.util.zip创建和读取zip文件的类跟大家分享一下里面用了递归调用呵呵近期用了不少递归调用！有空总结一下！ /** TestZip.java coding by Serol Luo. rollingpig@163.com 2003/07/03 http://www.chinaunix.n

　　写了一个用java.util.zip创建和读取zip文件的类
跟大家分享一下
里面用了递归调用

呵呵
近期用了不少递归调用！有空总结一下！

/**
TestZip.java
coding by Serol Luo.
rollingpig@163.com
2003/07/03
http://www.chinaunix.net/forum/viewforum.php?f=26
转载请保留此信息
*/
import java.util.*;
import java.util.zip.*;
import java.io.*;
class TestZip
{
public void zip(String zipFileName,String inputFile)throws Exception{
zip(zipFileName,new File(inputFile));
}
public void zip(String zipFileName,File inputFile)throws Exception{
ZipOutputStream out=new ZipOutputStream(new FileOutputStream(zipFileName));
zip(out,inputFile,"");
System.out.PRintln("zip done");
out.close();
}

public void unzip(String zipFileName,String outputDirectory)throws Exception{
ZipInputStream in=new ZipInputStream(new FileInputStream(zipFileName));
ZipEntry z;
while ((z=in.getNextEntry() )!= null)
{
System.out.println("unziping "+z.getName());
if (z.isDirectory())
{
String name=z.getName();
name=name.substring(0,name.length()-1);
File f=new File(outputDirectory+File.separator+name);
f.mkdir();
System.out.println("mkdir "+outputDirectory+File.separator+name);
}
else{
File f=new File(outputDirectory+File.separator+z.getName());
f.createNewFile();
FileOutputStream out=new FileOutputStream(f);
int b;
while ((b=in.read()) != -1)
out.write(b);
out.close();
}
}

in.close();
}

public void zip(ZipOutputStream out,File f,String base)throws Exception{
System.out.println("Zipping "+f.getName());
if (f.isDirectory())
{
File[] fl=f.listFiles();
out.putNextEntry(new ZipEntry(base+"/"));
base=base.length()==0?"":base+"/";
for (int i=0;i<fl.length ;i++ )
{
zip(out,fl[i],base+fl[i].getName());
}
}
else
{
out.putNextEntry(new ZipEntry(base));
FileInputStream in=new FileInputStream(f);
int b;
while ((b=in.read()) != -1)
out.write(b);
in.close();
}

}
public static void main(String[] args)
{
try{
TestZip t=new TestZip();
t.zip("c:\test.zip","c:\test");
t.unzip("c:\test.zip","c:\test2");
}
catch(Exception e){e.printStackTrace(System.out);}
}
}